Increase sales during calls when you optimise your background, your body-language, your look, and how you speak.
Use exclamation points in your emails if you want to look friendly, but avoid using them to look assertive (e.g. send it by EOD!). People will perceive you up to 13.5% more positively.
Gesture with your hands when presenting to appear more competent, and make people perceive you up to 9% more positively.
For high-end items (e.g. a leather briefcase), avoid showing the price immediately. For inexpensive items (e.g. a tote bag), show the price straight away to increase sales.
Funny ads from B2B brands (e.g. industrial adhesives) can make people like the company up to 17.9% more than non-funny ads do.